/*
Copyright (C) 2002 Rice1964

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

void RSP_GBI1_SpNoop(Gfx *gfx)
{
	SP_Timing(RSP_GBI1_SpNoop);

	if( (gfx+1)->words.cmd == 0x00 && gRSP.ucode >= 17 )
	{
		RSP_RDP_NOIMPL("Double SPNOOP, Skip remain ucodes, PC=%08X, Cmd1=%08X", gDlistStack[gDlistStackPointer].pc, gfx->words.w1);
		RDP_GFX_PopDL();
		//if( gRSP.ucode < 17 ) TriggerDPInterrupt();
	}
}

void RSP_GBI0_Mtx(Gfx *gfx)
{	
	SP_Timing(RSP_GBI0_Mtx);

	uint32 addr = RSPSegmentAddr((gfx->gbi0matrix.addr));

	LOG_UCODE("    Command: %s %s %s Length %d Address 0x%08x",
		gfx->gbi0matrix.projection == 1 ? "Projection" : "ModelView",
		gfx->gbi0matrix.load == 1 ? "Load" : "Mul",	
		gfx->gbi0matrix.push == 1 ? "Push" : "NoPush",
		gfx->gbi0matrix.len, addr);

	if (addr + 64 > g_dwRamSize)
	{
		TRACE1("Mtx: Address invalid (0x%08x)", addr);
		return;
	}

	LoadMatrix(addr);
	
	if (gfx->gbi0matrix.projection)
	{
		CRender::g_pRender->SetProjection(matToLoad, gfx->gbi0matrix.push, gfx->gbi0matrix.load);
	}
	else
	{
		CRender::g_pRender->SetWorldView(matToLoad, gfx->gbi0matrix.push, gfx->gbi0matrix.load);
	}

#ifdef _DEBUG
	char *loadstr = gfx->gbi0matrix.load?"Load":"Mul";
	char *pushstr = gfx->gbi0matrix.push?"Push":"Nopush";
	int projlevel = CRender::g_pRender->GetProjectMatrixLevel();
	int worldlevel = CRender::g_pRender->GetWorldViewMatrixLevel();
	if( pauseAtNext && eventToPause == NEXT_MATRIX_CMD )
	{
		pauseAtNext = false;
		debuggerPause = true;
		if (gfx->gbi0matrix.projection)
		{
			TRACE3("Pause after %s and %s Matrix: Projection, level=%d\n", loadstr, pushstr, projlevel );
		}
		else
		{
			TRACE3("Pause after %s and %s Matrix: WorldView level=%d\n", loadstr, pushstr, worldlevel);
		}
	}
	else
	{
		if( pauseAtNext && logMatrix ) 
		{
			if (gfx->gbi0matrix.projection)
			{
				TRACE3("Matrix: %s and %s Projection level=%d\n", loadstr, pushstr, projlevel);
			}
			else
			{
				TRACE3("Matrix: %s and %s WorldView\n level=%d", loadstr, pushstr, worldlevel);
			}
		}
	}
#endif
}




void RSP_GBI1_Reserved(Gfx *gfx)
{		
	SP_Timing(RSP_GBI1_Reserved);
	RSP_RDP_NOIMPL("RDP: Reserved (0x%08x 0x%08x)", (gfx->words.w0), (gfx->words.w1));
}



void RSP_GBI1_MoveMem(Gfx *gfx)
{
	SP_Timing(RSP_GBI1_MoveMem);

	uint32 type    = ((gfx->words.w0)>>16)&0xFF;
	uint32 dwLength  = ((gfx->words.w0))&0xFFFF;
	uint32 addr = RSPSegmentAddr((gfx->words.w1));

	switch (type) 
	{
		case RSP_GBI1_MV_MEM_VIEWPORT:
			{
				LOG_UCODE("    RSP_GBI1_MV_MEM_VIEWPORT. Address: 0x%08x, Length: 0x%04x", addr, dwLength);
				RSP_MoveMemViewport(addr);
			}
			break;
		case RSP_GBI1_MV_MEM_LOOKATY:
			LOG_UCODE("    RSP_GBI1_MV_MEM_LOOKATY");
			break;
		case RSP_GBI1_MV_MEM_LOOKATX:
			LOG_UCODE("    RSP_GBI1_MV_MEM_LOOKATX");
			break;
		case RSP_GBI1_MV_MEM_L0:
		case RSP_GBI1_MV_MEM_L1:
		case RSP_GBI1_MV_MEM_L2:
		case RSP_GBI1_MV_MEM_L3:
		case RSP_GBI1_MV_MEM_L4:
		case RSP_GBI1_MV_MEM_L5:
		case RSP_GBI1_MV_MEM_L6:
		case RSP_GBI1_MV_MEM_L7:
			{
				uint32 dwLight = (type-RSP_GBI1_MV_MEM_L0)/2;
				LOG_UCODE("    RSP_GBI1_MV_MEM_L%d", dwLight);
				LOG_UCODE("    Light%d: Length:0x%04x, Address: 0x%08x", dwLight, dwLength, addr);

				RSP_MoveMemLight(dwLight, addr);
			}
			break;
		case RSP_GBI1_MV_MEM_TXTATT:
			LOG_UCODE("    RSP_GBI1_MV_MEM_TXTATT");
			break;
		case RSP_GBI1_MV_MEM_MATRIX_1:
			RSP_GFX_Force_Matrix(addr);
			break;
		case RSP_GBI1_MV_MEM_MATRIX_2:
			break;
		case RSP_GBI1_MV_MEM_MATRIX_3:
			break;
		case RSP_GBI1_MV_MEM_MATRIX_4:
			break;
		default:
			RSP_RDP_NOIMPL("MoveMem: Unknown Move Type, cmd=%08X, %08X", gfx->words.w0, gfx->words.w1);
			break;
	}
}


void RSP_GBI0_Vtx(Gfx *gfx)
{
	SP_Timing(RSP_GBI0_Vtx);

	int n = gfx->gbi0vtx.n + 1;
	int v0 = gfx->gbi0vtx.v0;
	uint32 addr = RSPSegmentAddr((gfx->gbi0vtx.addr));

	LOG_UCODE("    Address 0x%08x, v0: %d, Num: %d, Length: 0x%04x", addr, v0, n, gfx->gbi0vtx.len);

	if ((v0 + n) > 80)
	{
		TRACE3("Warning, invalid vertex positions, N=%d, v0=%d, Addr=0x%08X", n, v0, addr);
		n = 32 - v0;
	}

	// Check that address is valid...
	if ((addr + n*16) > g_dwRamSize)
	{
		TRACE1("Vertex Data: Address out of range (0x%08x)", addr);
	}
	else
	{
		ProcessVertexData(addr, v0, n);
		status.dwNumVertices += n;
		DisplayVertexInfo(addr, v0, n);
	}
}


void RSP_GBI0_DL(Gfx *gfx)
{	
	SP_Timing(RSP_GBI0_DL);

	uint32 addr = RSPSegmentAddr((gfx->gbi0dlist.addr)) & (g_dwRamSize-1);

	LOG_UCODE("    Address=0x%08x Push: 0x%02x", addr, gfx->gbi0dlist.param);
	if( addr > g_dwRamSize )
	{
		RSP_RDP_NOIMPL("Error: DL addr = %08X out of range, PC=%08X", addr, gDlistStack[gDlistStackPointer].pc );
		addr &= (g_dwRamSize-1);
		DebuggerPauseCountN( NEXT_DLIST );
	}

	if( gfx->gbi0dlist.param == RSP_DLIST_PUSH )
		gDlistStackPointer++;

	gDlistStack[gDlistStackPointer].pc = addr;
	gDlistStack[gDlistStackPointer].countdown = MAX_DL_COUNT;

		LOG_UCODE("Level=%d", gDlistStackPointer+1);
		LOG_UCODE("^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^");
}


void RSP_GBI1_RDPHalf_Cont(Gfx *gfx)	
{
	SP_Timing(RSP_GBI1_RDPHalf_Cont);

	LOG_UCODE("RDPHalf_Cont: (Ignored)"); 
}
void RSP_GBI1_RDPHalf_2(Gfx *gfx)		
{ 
	SP_Timing(RSP_GBI1_RDPHalf_2);

	LOG_UCODE("RDPHalf_2: (Ignored)"); 
}

void RSP_GBI1_RDPHalf_1(Gfx *gfx)		
{
	SP_Timing(RSP_GBI1_RDPHalf_1);

	LOG_UCODE("RDPHalf_1: (Ignored)"); 
}

void RSP_GBI1_Line3D(Gfx *gfx)
{
	status.primitiveType = PRIM_LINE3D;

	uint32 dwPC = gDlistStack[gDlistStackPointer].pc;

	BOOL bTrisAdded = FALSE;

	if( gfx->ln3dtri2.v3 == 0 )
	{
		// Flying Dragon
		uint32 dwV0		= gfx->ln3dtri2.v0/gRSP.vertexMult;
		uint32 dwV1		= gfx->ln3dtri2.v1/gRSP.vertexMult;
		uint32 dwWidth  = gfx->ln3dtri2.v2;
		uint32 dwFlag	= gfx->ln3dtri2.v3/gRSP.vertexMult;	
		
		CRender::g_pRender->SetCombinerAndBlender();

		status.dwNumTrisRendered++;

		CRender::g_pRender->Line3D(dwV0, dwV1, dwWidth);
		SP_Timing(RSP_GBI1_Line3D);
		DP_Timing(RSP_GBI1_Line3D);
	}
	else
	{
		do {
			uint32 dwV3  = gfx->ln3dtri2.v3/gRSP.vertexMult;		
			uint32 dwV0  = gfx->ln3dtri2.v0/gRSP.vertexMult;
			uint32 dwV1  = gfx->ln3dtri2.v1/gRSP.vertexMult;
			uint32 dwV2  = gfx->ln3dtri2.v2/gRSP.vertexMult;

			LOG_UCODE("    Line3D: V0: %d, V1: %d, V2: %d, V3: %d", dwV0, dwV1, dwV2, dwV3);

			// Do first tri
			if (IsTriangleVisible(dwV0, dwV1, dwV2))
			{
				DEBUG_DUMP_VERTEXES("Line3D 1/2", dwV0, dwV1, dwV2);
				if (!bTrisAdded && CRender::g_pRender->IsTextureEnabled())
				{
					PrepareTextures();
					InitVertexTextureConstants();
				}

				if( !bTrisAdded )
				{
					CRender::g_pRender->SetCombinerAndBlender();
				}

				bTrisAdded = true;
				PrepareTriangle(dwV0, dwV1, dwV2);
			}

			// Do second tri
			if (IsTriangleVisible(dwV2, dwV3, dwV0))
			{
				DEBUG_DUMP_VERTEXES("Line3D 2/2", dwV0, dwV1, dwV2);
				if (!bTrisAdded && CRender::g_pRender->IsTextureEnabled())
				{
					PrepareTextures();
					InitVertexTextureConstants();
				}

				if( !bTrisAdded )
				{
					CRender::g_pRender->SetCombinerAndBlender();
				}

				bTrisAdded = true;
				PrepareTriangle(dwV2, dwV3, dwV0);
			}

			gfx++;
			dwPC += 8;
#ifdef _DEBUG
		} while (gfx->words.cmd == (uint8)RSP_LINE3D && !(pauseAtNext && eventToPause==NEXT_FLUSH_TRI));
#else
		} while (gfx->words.cmd == (uint8)RSP_LINE3D);
#endif

		gDlistStack[gDlistStackPointer].pc = dwPC-8;

		if (bTrisAdded)	
		{
			CRender::g_pRender->DrawTriangles();
		}
	}
}


void RSP_GBI1_ClearGeometryMode(Gfx *gfx)
{
	SP_Timing(RSP_GBI1_ClearGeometryMode);
	uint32 dwMask = ((gfx->words.w1));

#ifdef _DEBUG
	LOG_UCODE("    Mask=0x%08x", dwMask);
	if (dwMask & G_ZBUFFER)						LOG_UCODE("  Disabling ZBuffer");
	if (dwMask & G_TEXTURE_ENABLE)				LOG_UCODE("  Disabling Texture");
	if (dwMask & G_SHADE)						LOG_UCODE("  Disabling Shade");
	if (dwMask & G_SHADING_SMOOTH)				LOG_UCODE("  Disabling Smooth Shading");
	if (dwMask & G_CULL_FRONT)					LOG_UCODE("  Disabling Front Culling");
	if (dwMask & G_CULL_BACK)					LOG_UCODE("  Disabling Back Culling");
	if (dwMask & G_FOG)							LOG_UCODE("  Disabling Fog");
	if (dwMask & G_LIGHTING)					LOG_UCODE("  Disabling Lighting");
	if (dwMask & G_TEXTURE_GEN)					LOG_UCODE("  Disabling Texture Gen");
	if (dwMask & G_TEXTURE_GEN_LINEAR)			LOG_UCODE("  Disabling Texture Gen Linear");
	if (dwMask & G_LOD)							LOG_UCODE("  Disabling LOD (no impl)");
#endif

	gRDP.geometryMode &= ~dwMask;
	RSP_GFX_InitGeometryMode();
}



void RSP_GBI1_SetGeometryMode(Gfx *gfx)
{
	SP_Timing(RSP_GBI1_SetGeometryMode);
	uint32 dwMask = ((gfx->words.w1));

#ifdef _DEBUG
	LOG_UCODE("    Mask=0x%08x", dwMask);
	if (dwMask & G_ZBUFFER)						LOG_UCODE("  Enabling ZBuffer");
	if (dwMask & G_TEXTURE_ENABLE)				LOG_UCODE("  Enabling Texture");
	if (dwMask & G_SHADE)						LOG_UCODE("  Enabling Shade");
	if (dwMask & G_SHADING_SMOOTH)				LOG_UCODE("  Enabling Smooth Shading");
	if (dwMask & G_CULL_FRONT)					LOG_UCODE("  Enabling Front Culling");
	if (dwMask & G_CULL_BACK)					LOG_UCODE("  Enabling Back Culling");
	if (dwMask & G_FOG)							LOG_UCODE("  Enabling Fog");
	if (dwMask & G_LIGHTING)					LOG_UCODE("  Enabling Lighting");
	if (dwMask & G_TEXTURE_GEN)					LOG_UCODE("  Enabling Texture Gen");
	if (dwMask & G_TEXTURE_GEN_LINEAR)			LOG_UCODE("  Enabling Texture Gen Linear");
	if (dwMask & G_LOD)							LOG_UCODE("  Enabling LOD (no impl)");
#endif // _DEBUG
	gRDP.geometryMode |= dwMask;
	RSP_GFX_InitGeometryMode();
}




void RSP_GBI1_EndDL(Gfx *gfx)
{
	SP_Timing(RSP_GBI1_EndDL);
	RDP_GFX_PopDL();
}


static const char * sc_szBlClr[4] = { "In", "Mem", "Bl", "Fog" };
static const char * sc_szBlA1[4] = { "AIn", "AFog", "AShade", "0" };
static const char * sc_szBlA2[4] = { "1-A", "AMem", "1", "?" };

void RSP_GBI1_SetOtherModeL(Gfx *gfx)
{
	SP_Timing(RSP_GBI1_SetOtherModeL);

	uint32 dwShift = ((gfx->words.w0)>>8)&0xFF;
	uint32 dwLength= ((gfx->words.w0)   )&0xFF;
	uint32 dwData  = (gfx->words.w1);

	uint32 dwMask = ((1<<dwLength)-1)<<dwShift;

	uint32 modeL = gRDP.otherModeL;
	modeL = (modeL&(~dwMask)) | dwData;

	Gfx tempgfx;
	tempgfx.words.w0 = gRDP.otherModeH;
	tempgfx.words.w1 = modeL;
	DLParser_RDPSetOtherMode(&tempgfx);
}


void RSP_GBI1_SetOtherModeH(Gfx *gfx)
{
	SP_Timing(RSP_GBI1_SetOtherModeH);

	uint32 dwShift = ((gfx->words.w0)>>8)&0xFF;
	uint32 dwLength= ((gfx->words.w0)   )&0xFF;
	uint32 dwData  = (gfx->words.w1);

	uint32 dwMask = ((1<<dwLength)-1)<<dwShift;
	uint32 dwModeH = gRDP.otherModeH;

	dwModeH = (dwModeH&(~dwMask)) | dwData;
	Gfx tempgfx;
	tempgfx.words.w0 = dwModeH;
	tempgfx.words.w1 = gRDP.otherModeL;
	DLParser_RDPSetOtherMode(&tempgfx );
}


void RSP_GBI1_Texture(Gfx *gfx)
{
	SP_Timing(RSP_GBI1_Texture);

	float fTextureScaleS = (float)(gfx->texture.scaleS) / (65536.0f * 32.0f);
	float fTextureScaleT = (float)(gfx->texture.scaleT) / (65536.0f * 32.0f);

	if( (((gfx->words.w1)>>16)&0xFFFF) == 0xFFFF )
	{
		fTextureScaleS = 1/32.0f;
	}
	else if( (((gfx->words.w1)>>16)&0xFFFF) == 0x8000 )
	{
		fTextureScaleS = 1/64.0f;
	}
#ifdef _DEBUG
	else if( ((gfx->words.w1>>16)&0xFFFF) != 0 )
	{
		//DebuggerAppendMsg("Warning, texture scale = %08X is not integer", (word1>>16)&0xFFFF);
	}
#endif

	if( (((gfx->words.w1)    )&0xFFFF) == 0xFFFF )
	{
		fTextureScaleT = 1/32.0f;
	}
	else if( (((gfx->words.w1)    )&0xFFFF) == 0x8000 )
	{
		fTextureScaleT = 1/64.0f;
	}
#ifdef _DEBUG
	else if( (gfx->words.w1&0xFFFF) != 0 )
	{
		//DebuggerAppendMsg("Warning, texture scale = %08X is not integer", (word1)&0xFFFF);
	}
#endif

	if( gRSP.ucode == 6 )
	{
		if( fTextureScaleS == 0 )	fTextureScaleS = 1.0f/32.0f;
		if( fTextureScaleT == 0 )	fTextureScaleT = 1.0f/32.0f;
	}

	CRender::g_pRender->SetTextureEnableAndScale(gfx->texture.tile, gfx->texture.enable_gbi0, fTextureScaleS, fTextureScaleT);

	// What happens if these are 0? Interpret as 1.0f?

	LOG_TEXTURE(
	{
		DebuggerAppendMsg("SetTexture: Level: %d Tile: %d %s\n", gfx->texture.level, gfx->texture.tile, gfx->texture.enable_gbi0 ? "enabled":"disabled");
		DebuggerAppendMsg("            ScaleS: %f, ScaleT: %f\n", fTextureScaleS*32.0f, fTextureScaleT*32.0f);
	});

	DEBUGGER_PAUSE_COUNT_N(NEXT_SET_TEXTURE);
	LOG_UCODE("    Level: %d Tile: %d %s", gfx->texture.level, gfx->texture.tile, gfx->texture.enable_gbi0 ? "enabled":"disabled");
	LOG_UCODE("    ScaleS: %f, ScaleT: %f", fTextureScaleS*32.0f, fTextureScaleT*32.0f);
}

extern void RSP_RDP_InsertMatrix(uint32 word0, uint32 word1);
void RSP_GBI1_MoveWord(Gfx *gfx)
{
	SP_Timing(RSP_GBI1_MoveWord);

	switch (gfx->gbi0moveword.type)
	{
	case RSP_MOVE_WORD_MATRIX:
		RSP_RDP_InsertMatrix(gfx);
		break;
	case RSP_MOVE_WORD_NUMLIGHT:
		{
			uint32 dwNumLights = (((gfx->gbi0moveword.value)-0x80000000)/32)-1;
			LOG_UCODE("    RSP_MOVE_WORD_NUMLIGHT: Val:%d", dwNumLights);

			gRSP.ambientLightIndex = dwNumLights;
			SetNumLights(dwNumLights);
		}
		break;
	case RSP_MOVE_WORD_CLIP:
		{
			switch (gfx->gbi0moveword.offset)
			{
			case RSP_MV_WORD_OFFSET_CLIP_RNX:
			case RSP_MV_WORD_OFFSET_CLIP_RNY:
			case RSP_MV_WORD_OFFSET_CLIP_RPX:
			case RSP_MV_WORD_OFFSET_CLIP_RPY:
				CRender::g_pRender->SetClipRatio(gfx->gbi0moveword.offset, gfx->gbi0moveword.value);
				break;
			default:
				LOG_UCODE("    RSP_MOVE_WORD_CLIP  ?   : 0x%08x", gfx->words.w1);
				break;
			}
		}
		break;
	case RSP_MOVE_WORD_SEGMENT:
		{
			uint32 dwSegment = (gfx->gbi0moveword.offset >> 2) & 0xF;
			uint32 dwBase = (gfx->gbi0moveword.value)&0x00FFFFFF;
			LOG_UCODE("    RSP_MOVE_WORD_SEGMENT Seg[%d] = 0x%08x", dwSegment, dwBase);
			if( dwBase > g_dwRamSize )
			{
				gRSP.segments[dwSegment] = dwBase;
#ifdef _DEBUG
				if( pauseAtNext )
					DebuggerAppendMsg("warning: Segment %d addr is %8X", dwSegment, dwBase);
#endif
			}
			else
			{
				gRSP.segments[dwSegment] = dwBase;
			}
		}
		break;
	case RSP_MOVE_WORD_FOG:
		{
			uint16 wMult = (uint16)(((gfx->gbi0moveword.value) >> 16) & 0xFFFF);
			uint16 wOff  = (uint16)(((gfx->gbi0moveword.value)      ) & 0xFFFF);

			float fMult = (float)(short)wMult;
			float fOff = (float)(short)wOff;

			float rng = 128000.0f / fMult;
			float fMin = 500.0f - (fOff*rng/256.0f);
			float fMax = rng + fMin;

			FOG_DUMP(TRACE4("Set Fog: Min=%f, Max=%f, Mul=%f, Off=%f", fMin, fMax, fMult, fOff));
			//if( fMult <= 0 || fMin > fMax || fMax < 0 || fMin > 1000 )
			if( fMult <= 0 || fMax < 0 )
			{
				// Hack
				fMin = 996;
				fMax = 1000;
				fMult = 0;
				fOff = 1;
			}

			LOG_UCODE("    RSP_MOVE_WORD_FOG/Mul=%d: Off=%d", wMult, wOff);
			FOG_DUMP(TRACE3("Set Fog: Min=%f, Max=%f, Data=%08X", fMin, fMax, gfx->gbi0moveword.value));
			SetFogMinMax(fMin, fMax, fMult, fOff);
		}
		break;
	case RSP_MOVE_WORD_LIGHTCOL:
		{
			uint32 dwLight = gfx->gbi0moveword.offset / 0x20;
			uint32 dwField = (gfx->gbi0moveword.offset & 0x7);

			LOG_UCODE("    RSP_MOVE_WORD_LIGHTCOL/0x%08x: 0x%08x", gfx->gbi0moveword.offset, gfx->words.w1);

			switch (dwField)
			{
			case 0:
				if (dwLight == gRSP.ambientLightIndex)
				{
					SetAmbientLight( ((gfx->gbi0moveword.value)>>8) );
				}
				else
				{
					SetLightCol(dwLight, gfx->gbi0moveword.value);
				}
				break;

			case 4:
				break;

			default:
				TRACE1("RSP_MOVE_WORD_LIGHTCOL with unknown offset 0x%08x", dwField);
				break;
			}
		}
		break;
	case RSP_MOVE_WORD_POINTS:
		{
			uint32 vtx = gfx->gbi0moveword.offset/40;
			uint32 where = gfx->gbi0moveword.offset - vtx*40;
			ModifyVertexInfo(where, vtx, gfx->gbi0moveword.value);
		}
		break;
	case RSP_MOVE_WORD_PERSPNORM:
		LOG_UCODE("    RSP_MOVE_WORD_PERSPNORM");
		//if( word1 != 0x1A ) DebuggerAppendMsg("PerspNorm: 0x%04x", (short)word1);	
		break;
	default:
		RSP_RDP_NOIMPL("Unknown MoveWord, %08X, %08X", gfx->words.w0, gfx->words.w1);
		break;
	}

}


void RSP_GBI1_PopMtx(Gfx *gfx)
{
	SP_Timing(RSP_GBI1_PopMtx);

	LOG_UCODE("    Command: (%s)",	gfx->gbi0popmatrix.projection ? "Projection" : "ModelView");

	// Do any of the other bits do anything?
	// So far only Extreme-G seems to Push/Pop projection matrices

	if (gfx->gbi0popmatrix.projection)
	{
		CRender::g_pRender->PopProjection();
	}
	else
	{
		CRender::g_pRender->PopWorldView();
	}
#ifdef _DEBUG
	if( pauseAtNext && eventToPause == NEXT_MATRIX_CMD )
	{
		pauseAtNext = false;
		debuggerPause = true;
		DebuggerAppendMsg("Pause after Pop Matrix: %s\n", gfx->gbi0popmatrix.projection ? "Proj":"World");
	}
	else
	{
		if( pauseAtNext && logMatrix ) 
		{
			DebuggerAppendMsg("Pause after Pop Matrix: %s\n", gfx->gbi0popmatrix.projection ? "Proj":"World");
		}
	}
#endif
}



void RSP_GBI1_CullDL(Gfx *gfx)
{
	SP_Timing(RSP_GBI1_CullDL);

#ifdef _DEBUG
	if( !debuggerEnableCullFace )
	{
		return;	//Disable Culling
	}
#endif
	if( g_curRomInfo.bDisableCulling )
	{
		return;	//Disable Culling
	}

	uint32 i;
	uint32 dwVFirst = ((gfx->words.w0) & 0xFFF) / gRSP.vertexMult;
	uint32 dwVLast  = (((gfx->words.w1)) & 0xFFF) / gRSP.vertexMult;

	LOG_UCODE("    Culling using verts %d to %d", dwVFirst, dwVLast);

	// Mask into range
	dwVFirst &= 0x1f;
	dwVLast &= 0x1f;

	if( dwVLast < dwVFirst )	return;
	if( !gRSP.bRejectVtx )	return;

	for (i = dwVFirst; i <= dwVLast; i++)
	{
		if (g_clipFlag[i] == 0)
		{
			LOG_UCODE("    Vertex %d is visible, continuing with display list processing", i);
			return;
		}
	}

	status.dwNumDListsCulled++;

	LOG_UCODE("    No vertices were visible, culling rest of display list");

	RDP_GFX_PopDL();
}



void RSP_GBI1_Tri1(Gfx *gfx)
{
	status.primitiveType = PRIM_TRI1;
	bool bTrisAdded = false;
	bool bTexturesAreEnabled = CRender::g_pRender->IsTextureEnabled();

	// While the next command pair is Tri1, add vertices
	uint32 dwPC = gDlistStack[gDlistStackPointer].pc;
	uint32 * pCmdBase = (uint32 *)(g_pRDRAMu8 + dwPC);
	
	do
	{
		uint32 dwV0 = gfx->tri1.v0/gRSP.vertexMult;
		uint32 dwV1 = gfx->tri1.v1/gRSP.vertexMult;
		uint32 dwV2 = gfx->tri1.v2/gRSP.vertexMult;

		if (IsTriangleVisible(dwV0, dwV1, dwV2))
		{
			DEBUG_DUMP_VERTEXES("Tri1", dwV0, dwV1, dwV2);
			LOG_UCODE("    Tri1: 0x%08x 0x%08x %d,%d,%d", gfx->words.w0, gfx->words.w1, dwV0, dwV1, dwV2);

			if (!bTrisAdded)
			{
				if( bTexturesAreEnabled )
				{
					PrepareTextures();
					InitVertexTextureConstants();
				}
				CRender::g_pRender->SetCombinerAndBlender();
				bTrisAdded = true;
			}
			PrepareTriangle(dwV0, dwV1, dwV2);
		}

		gfx++;
		dwPC += 8;

#ifdef _DEBUG
	} while (!(pauseAtNext && eventToPause==NEXT_TRIANGLE) && gfx->words.cmd == (uint8)RSP_TRI1);
#else
	} while (gfx->words.cmd == (uint8)RSP_TRI1);
#endif

	gDlistStack[gDlistStackPointer].pc = dwPC-8;

	if (bTrisAdded)	
	{
		CRender::g_pRender->DrawTriangles();
	}

	DEBUG_TRIANGLE(TRACE0("Pause at GBI0 TRI1"));
}


void RSP_GBI0_Tri4(Gfx *gfx)
{
	uint32 w0 = gfx->words.w0;
	uint32 w1 = gfx->words.w1;

	status.primitiveType = PRIM_TRI2;

	// While the next command pair is Tri2, add vertices
	uint32 dwPC = gDlistStack[gDlistStackPointer].pc;

	BOOL bTrisAdded = FALSE;

	do {
		uint32 dwFlag = (w0>>16)&0xFF;
		LOG_UCODE("    PD Tri4: 0x%08x 0x%08x Flag: 0x%02x", gfx->words.w0, gfx->words.w1, dwFlag);

		BOOL bVisible;
		for( int i=0; i<4; i++)
		{
			uint32 v0 = (w1>>(4+(i<<3))) & 0xF;
			uint32 v1 = (w1>>(  (i<<3))) & 0xF;
			uint32 v2 = (w0>>(  (i<<2))) & 0xF;
			bVisible = IsTriangleVisible(v0, v2, v1);
			LOG_UCODE("       (%d, %d, %d) %s", v0, v1, v2, bVisible ? "": "(clipped)");
			if (bVisible)
			{
				DEBUG_DUMP_VERTEXES("Tri4_PerfectDark 1/2", v0, v1, v2);
				if (!bTrisAdded && CRender::g_pRender->IsTextureEnabled())
				{
					PrepareTextures();
					InitVertexTextureConstants();
				}

				if( !bTrisAdded )
				{
					CRender::g_pRender->SetCombinerAndBlender();
				}

				bTrisAdded = true;
				PrepareTriangle(v0, v2, v1);
			}
		}
		
		w0			= *(uint32 *)(g_pRDRAMu8 + dwPC+0);
		w1			= *(uint32 *)(g_pRDRAMu8 + dwPC+4);
		dwPC += 8;

#ifdef _DEBUG
	} while (!(pauseAtNext && eventToPause==NEXT_TRIANGLE) && (w0>>24) == (uint8)RSP_TRI2);
#else
	} while (((w0)>>24) == (uint8)RSP_TRI2);
#endif


	gDlistStack[gDlistStackPointer].pc = dwPC-8;


	if (bTrisAdded)	
	{
		CRender::g_pRender->DrawTriangles();
	}
	
	DEBUG_TRIANGLE(TRACE0("Pause at GBI0 TRI4"));

	gRSP.DKRVtxCount=0;
}

//Nintro64 uses Sprite2d 


void RSP_RDP_Nothing(Gfx *gfx)
{
	SP_Timing(RSP_RDP_Nothing);

#ifdef _DEBUG
	if( logWarning )
	{
		TRACE0("Stack Trace");
		for( int i=0; i<gDlistStackPointer; i++ )
		{
			DebuggerAppendMsg("  %08X", gDlistStack[i].pc);
		}

		uint32 dwPC = gDlistStack[gDlistStackPointer].pc-8;
		DebuggerAppendMsg("PC=%08X",dwPC);
		DebuggerAppendMsg("Warning, unknown ucode PC=%08X: 0x%08x 0x%08x\n", dwPC, gfx->words.w0, gfx->words.w1);
	}
	DEBUGGER_PAUSE_AND_DUMP_COUNT_N(NEXT_UNKNOWN_OP, {TRACE0("Paused at unknown ucode\n");})
	if( debuggerContinueWithUnknown )
	{
		return;
	}
#endif
		
	if( options.bEnableHacks )
		return;
	
	gDlistStackPointer=-1;
}


void RSP_RDP_InsertMatrix(Gfx *gfx)
{
	float fraction;

	UpdateCombinedMatrix();

	if ((gfx->words.w0) & 0x20)
	{
		int x = ((gfx->words.w0) & 0x1F) >> 1;
		int y = x >> 2;
		x &= 3;

		fraction = ((gfx->words.w1)>>16)/65536.0f;
		gRSPworldProject.m[y][x] = (float)(int)gRSPworldProject.m[y][x];
		gRSPworldProject.m[y][x] += fraction;

		fraction = ((gfx->words.w1)&0xFFFF)/65536.0f;
		gRSPworldProject.m[y][x+1] = (float)(int)gRSPworldProject.m[y][x+1];
		gRSPworldProject.m[y][x+1] += fraction;
	}
	else
	{
		int x = ((gfx->words.w0) & 0x1F) >> 1;
		int y = x >> 2;
		x &= 3;

		fraction = (float)fabs(gRSPworldProject.m[y][x] - (int)gRSPworldProject.m[y][x]);
		gRSPworldProject.m[y][x] = (short)((gfx->words.w1)>>16) + fraction;

		fraction = (float)fabs(gRSPworldProject.m[y][x+1] - (int)gRSPworldProject.m[y][x+1]);
		gRSPworldProject.m[y][x+1] = (short)((gfx->words.w1)&0xFFFF) + fraction;
	}

	gRSP.bMatrixIsUpdated = false;
	gRSP.bCombinedMatrixIsUpdated = true;

#ifdef _DEBUG
	if( pauseAtNext && eventToPause == NEXT_MATRIX_CMD )
	{
		pauseAtNext = false;
		debuggerPause = true;
		DebuggerAppendMsg("Pause after insert matrix: %08X, %08X", gfx->words.w0, gfx->words.w1);
	}
	else
	{
		if( pauseAtNext && logMatrix ) 
		{
			DebuggerAppendMsg("insert matrix: %08X, %08X", gfx->words.w0, gfx->words.w1);
		}
	}
#endif
}